#684BD0
Closest named color: Bluey Purple (#6241C7). oklch(52% 0.195 287.6), rgb(104, 75, 208).
Aa
White text reads best on this color (5.98:1).
About this color
#684BD0 is a medium-dark, vivid purple. In OKLCH its lightness is 52%, its chroma 0.195 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.028 away. White text reads best on it, at 5.98:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.195) |
| Temperature | cool |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 3.50:1 |
| White text | 5.98:1 |
Values
| HEX | #684BD0 |
| RGB | rgb(104, 75, 208) |
| HSL | hsl(253, 59%, 55%) |
| OKLCH | oklch(52% 0.195 287.6) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #684BD0 | 5.98:1 | AA | Lc -84.6 | Fine for body text |
| Black text on #684BD0 | 3.50:1 | AA large text | Lc 24.6 | Dividers and decoration only |
| #684BD0 text on white | 5.98:1 | AA | Lc 79.4 | Fine for body text |
| #684BD0 text on black | 3.50:1 | AA large text | Lc -22.4 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E8E7FC
oklch(93.5% 0.028 288)
-
Step 200
200
#D6D4FB
oklch(88.4% 0.053 287.6)
-
Step 300
300
#BDB7FB
oklch(80.9% 0.095 288.1)
-
Step 400
400
#9C8FF9
oklch(70.6% 0.152 287.5)
-
Step 500
500
#876FF5
oklch(63.1% 0.193 287.8)
-
Step 600
600
#7253E4
oklch(55.6% 0.209 287.4)
-
Step 700
700 (this color)
#684BD0
oklch(52% 0.195 287.6)
-
Step 800
800
#4E37A0
oklch(42.6% 0.162 287.5)
-
Step 900
900
#40317F
oklch(37.6% 0.126 287.6)
-
Step 950
950
#251E4A
oklch(27% 0.079 287.2)
#684BD0 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #0066D4 | 0.102 |
| Deuteranopia (no green cones) | #0060CD | 0.099 |
| Tritanopia (no blue cones) | #436B87 | 0.159 |
| Achromatopsia (no color) | #636363 | 0.196 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684BD0
#684BD0
oklch(52% 0.195 287.6)
- #706D00
#706D00
oklch(52% 0.112 107.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #684BD0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.028
- Slate Blue #6A5ACD ΔE 0.034
- Light Indigo #6D5ACF ΔE 0.035
- Iris #6258C4 ΔE 0.036
- Dark Periwinkle #665FD1 ΔE 0.044
- Warm Blue #4B57DB ΔE 0.049
- Burple #6832E3 ΔE 0.051
- Blurple #5539CC ΔE 0.051
Use #684BD0 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.